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Quantitative Study of Lunisolar Precession Mechanism
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作者 Yueming Wu Mingfu Cao 《Journal of Geoscience and Environment Protection》 2016年第7期185-193,共9页
According to Xiaodong Song et al.’s study about difference rotation in the Earth’s inner core, a physical model of lunar motion changing the angular momentum of the Earth’s circles is presented in this work. The Lu... According to Xiaodong Song et al.’s study about difference rotation in the Earth’s inner core, a physical model of lunar motion changing the angular momentum of the Earth’s circles is presented in this work. The Lunar motion makes there be a huge gap existing in the core angular momentum between far lunar hemisphere and near lunar hemisphere. The gap results in the difference rota-tion in the Earth’s inner core, meanwhile, it increases the angular velocity of far lunar hemisphere and decreases the angular velocity of near lunar hemisphere. The Earth’s liquid outer core gene-rates an astro-geodynamical effect including the difference rotation among the Earth’s circles. It is found that when the moon moves into the apogee or the perigee of the lunar orbit, and the moon phase is the upper and lower chords (i.e. semi-diameter place), the true anomaly of the moon will change from 270-degree back (or forward) to 90-degree;this results in the mantle shell of the Earth westward, and forms lunisolar precession, the vernal equinox westward and Chandler polar motion. 展开更多
关键词 Lunar Motion lunisolar Precession Intersection Westward Chandler Polar Motion Formation Mechanism
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RELATIONSHIP BETWEEN THE VARIATION OF LUNISOLAR TIDAL FORCE AND EARTHQUAKES IN TAI WAN 被引量:1
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作者 Zhao Juan 1,3 , Han Yanben 2,3 and Li Zhian 1 (1. Department of Astronomy, Beijing Normal University, Beijing 100875, China 2. Beijing Observatory, CAS, Beijing 100012, China 3. National Astronomical Observatory, CAS, Beijing 100012, China 《Natural Disaster Reduction in China》 2002年第2期36-40,共5页
The paper presents a discussion of the relationship between the variance ratio of the lunisolar tidal force prior to and after the attacks of the major earthquakes (Ms≥7.0) in Taiwan Province, China in the 20th centu... The paper presents a discussion of the relationship between the variance ratio of the lunisolar tidal force prior to and after the attacks of the major earthquakes (Ms≥7.0) in Taiwan Province, China in the 20th century. It concludes that a close connection exists between them: the variance of the lunisolar tidal force might be a trigger to the occurrence of disastrous earthquakes in the Province. 展开更多
关键词 lunisolar TIDAL force EARTHQUAKE variance ratio
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Inexplicable Multi-Annual Astral Action on the Precession of Allais Pendulum: An Influence of the Solar System (and Especially of Jupiter?)
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作者 Jean-Bernard Deloly 《Journal of Modern Physics》 CAS 2023年第6期953-988,共36页
Between 1954 and 1961, Allais conducted 6 one-month observations of the azimuth of the plane of oscillation of a pendulum installed in his laboratory. That of 1958 also implemented a second pendulum, identical to the ... Between 1954 and 1961, Allais conducted 6 one-month observations of the azimuth of the plane of oscillation of a pendulum installed in his laboratory. That of 1958 also implemented a second pendulum, identical to the first, located 6 km away in an underground quarry. Although, over these 6 years, the average azimuth of each observation, the amplitude of the 24 h 50 min and 24 h waves, as well as certain other quantities, have evolved considerably, in 1958 their values were very close to those of the second pendulum. The analysis shows that these evolutions could only result from an action external to the pendulum, that no classical phenomenon seems to be able to explain, and which appears, at least mainly, to be an astral action. The evolution of the average azimuth of the pendulum and of the amplitudes of the 24 h and 24 h 50 min components can be decomposed into a component associated with the annual revolution of the Earth around the Sun, and a multi-annual component, whose harmonic 1 has a period which was estimated to 5.74 years. An action of Jupiter is an excellent candidate to explain a large part of the multi-annual action: everything happens as if there were an important action of the modulus of its declination on the multi-annual component, and an important daily action of its hour angle on the azimuth of the pendulum. We cannot exclude an action of the solar cycle, whose period was then about 11 years. The main results were obtained by Allais himself, but this was only published in his book “The Anisotropy of Space”, and remained very little known. Starting from the raw data of Allais, the author of this article found them again, and completed them on certain points. 展开更多
关键词 Allais Effect PENDULUM lunisolar Influence Jupiter Influence
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日月引潮力的变化与台湾地震 被引量:16
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作者 赵娟 韩延本 李志安 《自然灾害学报》 CSCD 北大核心 2001年第3期64-67,共4页
分析了中国台湾省自1990年以来Ms≥7.0的地震发生时刻前后的日月引潮力变化,研究了日月引潮力的变化率与这些地震的关系,结果表明,日月引潮力的变化率与这些地震的发生时有密切的关系,其对台湾省大地震的发生可能有一定的... 分析了中国台湾省自1990年以来Ms≥7.0的地震发生时刻前后的日月引潮力变化,研究了日月引潮力的变化率与这些地震的关系,结果表明,日月引潮力的变化率与这些地震的发生时有密切的关系,其对台湾省大地震的发生可能有一定的触发作用。 展开更多
关键词 日月引潮力 地震 变化率 台湾省 触发作用
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日月引潮力与华北地区的地震 被引量:7
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作者 赵娟 韩延本 李志安 《地球物理学报》 SCIE EI CAS CSCD 北大核心 1999年第S1期24-29,共6页
分析讨论了日月引潮力变化与1900—1992年间发生在中国华北地区的29次Ms>5.5的地震之间的关系,结果表明这些地震的发生时间与日月在震源区形成的引潮力南北方向的水平分量的变化存在高相关性,日月引潮力分量的变化对这些地震的发生... 分析讨论了日月引潮力变化与1900—1992年间发生在中国华北地区的29次Ms>5.5的地震之间的关系,结果表明这些地震的发生时间与日月在震源区形成的引潮力南北方向的水平分量的变化存在高相关性,日月引潮力分量的变化对这些地震的发生可能有一定的诱发作用。 展开更多
关键词 日月引潮力 地震 地震预报
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南水北调中线工程施工测量控制网系统研究 被引量:13
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作者 杨爱明 严建国 +1 位作者 杨成宏 姜本海 《人民长江》 北大核心 2010年第19期30-33,共4页
根据南水北调中线总干渠工程规模巨大、建筑物多、输水线路长等特点,综合性地介绍了建立大规模、高精度水利工程施工控制网系统所进行的技术研究,包括:①施工测量控制系统方案研究;②施工控制网精度与等级论证;③长距离输水工程施工控... 根据南水北调中线总干渠工程规模巨大、建筑物多、输水线路长等特点,综合性地介绍了建立大规模、高精度水利工程施工控制网系统所进行的技术研究,包括:①施工测量控制系统方案研究;②施工控制网精度与等级论证;③长距离输水工程施工控制网坐标系统的选择;④各种测量标志类型不同地质条件下的稳定性研究;⑤国家控制点稳定性分析及不兼容性问题研究;⑥GPS短边混合网平差计算与应用软件的研究;⑦日月引力改正计算与应用软件的研究;⑧施工测量技术标准的制定等。该工程施工控制网系统的顺利建成,为南水北调中线工程提供了及时、可靠的测绘保障和技术服务。 展开更多
关键词 施工测量 控制网 GPS 坐标系统 日月引力 南水北调中线工程
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中国大陆M_S≥7.0地震与潮汐库仑破裂应力关系研究 被引量:5
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作者 张辉 张浪平 +1 位作者 徐辉 王熠熙 《中国地震》 北大核心 2013年第1期48-56,共9页
选取1900~2012年中国大陆MS≥7.0浅源地震为研究对象,计算日月潮汐在发震断层面引起的库仑破裂应力,确定潮汐相位角。通过Schuster检验,定量分析了中国大陆强震与日月潮汐库仑破裂应力之间的相关性。结果表明,具有震源机制解的57次强震... 选取1900~2012年中国大陆MS≥7.0浅源地震为研究对象,计算日月潮汐在发震断层面引起的库仑破裂应力,确定潮汐相位角。通过Schuster检验,定量分析了中国大陆强震与日月潮汐库仑破裂应力之间的相关性。结果表明,具有震源机制解的57次强震中,71.9%的强震发生在潮汐加载相位区间,Schuster检验p值为3.83%,显示中国大陆7级强震与潮汐库仑破裂应力间存在很好的相关性。活跃期p值为4.56%,75.5%的地震发生在潮汐加载相位区间;而在平静期发生在加载相位区间的地震比例为50%。表明活跃期内的强震受潮汐库仑破裂应力的加载触发更为显著。 展开更多
关键词 日月潮汐 触发 潮汐相位 库仑破裂应力
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大椭圆空间碎片轨道寿命分析 被引量:2
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作者 熊建宁 吴连大 赵长印 《天文学报》 CSCD 北大核心 2008年第3期297-305,共9页
日月摄动是影响大椭圆空间碎片轨道变化的主要动力学因素.本文推导出了日月摄动引起的大椭圆轨道近地点高度长周期项的分析表达式,对日月摄动引起的近地点变化基本特征进行了分析,并根据这种轨道变化特点给出了有利于空间碎片减缓的发... 日月摄动是影响大椭圆空间碎片轨道变化的主要动力学因素.本文推导出了日月摄动引起的大椭圆轨道近地点高度长周期项的分析表达式,对日月摄动引起的近地点变化基本特征进行了分析,并根据这种轨道变化特点给出了有利于空间碎片减缓的发射窗口选择方法,通过仿真计算验证了该选择方法的正确性. 展开更多
关键词 天体力学 轨道计算和定轨 天体力学 摄动理论
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六气起始时间探讨 被引量:6
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作者 王莉 吴波 《天津中医药大学学报》 CAS 2019年第1期22-24,共3页
五运六气学说是中医理论中的重要组成部分,然而有关六气起始时间的规定学术界存在争议,主要可归纳为三种观点:大寒说,立春说和正月朔日说。本文从内经原文及各代学者论著中有关章句出发,对不同观点展开讨论。
关键词 五运六气学说 六气起始时间 干支历 阴阳合历
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自主轨道确定中日月摄动对卫星轨道倾角的影响 被引量:2
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作者 薛申芳 金声震 +1 位作者 宁书年 孙才红 《计算机仿真》 CSCD 2004年第10期28-30,37,共4页
利用天文方法和天文技术实现卫星自主轨道确定越来越倍受关注,而日月引力对高轨道卫星而言是一种很重要的一种摄动力,且随着卫星高度的增加对卫星的影响越加明显。该文针对组合大视场星敏感器卫星自主定轨天文方法,建立了日月引力摄动... 利用天文方法和天文技术实现卫星自主轨道确定越来越倍受关注,而日月引力对高轨道卫星而言是一种很重要的一种摄动力,且随着卫星高度的增加对卫星的影响越加明显。该文针对组合大视场星敏感器卫星自主定轨天文方法,建立了日月引力摄动下的卫星自主轨道确定的广义卡尔曼滤波仿真模型,包括状态模型和观测模型,对东方红三号(DFH-3)地球同步轨道通讯卫星,在取初始轨道升交角分别为0°、90°和270°三种情况进行了仿真,得到了在日月摄动下卫星轨道倾角的变化规律,且把计算结果与已有的东方红三号卫星数据进行了比较。 展开更多
关键词 组合大视场星敏感器 自主定轨 卡尔曼滤波 日月摄动
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日月引潮力变化与华北地震的相关分析 被引量:1
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作者 赵娟 韩延本 李志安 《北京师范大学学报(自然科学版)》 CAS CSCD 北大核心 2000年第4期540-544,共5页
通过计算日月引潮力在不同地区的变化 ,对我国华北地区 190 0年以来的大震 (震级≥5.5)序列进行日月引潮力的变化与地震活动性关系的分析 ,探讨日月引潮力作为地震发生的诱触发因素的可能性 .研究发现 ,在地震地质条件比较一致的区域内 。
关键词 日月引潮力 变化率 地震 相关分析
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中国传统夏历及其置闰 被引量:1
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作者 廖伟迅 《韶关学院学报》 2002年第6期37-41,78,共6页
中国传统夏历是严格按照太阳、月亮的视位置逐年推算编排的置闰极为复杂的历法 .在望远镜发明之前 ,中国古人对历法推算所必须的许多天文基本数据的观测精度在当时是世界领先的 ;在牛顿 -莱布兹发明微积分之前 ,中国古人对历法推算的数... 中国传统夏历是严格按照太阳、月亮的视位置逐年推算编排的置闰极为复杂的历法 .在望远镜发明之前 ,中国古人对历法推算所必须的许多天文基本数据的观测精度在当时是世界领先的 ;在牛顿 -莱布兹发明微积分之前 ,中国古人对历法推算的数学手段及其运算技巧在当时也是世界领先的 ;至于中国夏历复杂的置闰规律 ,是更加值得后人用现代的数学手段去研究分析的 ,以便让这份精妙绝伦的科学遗产发扬光大。 展开更多
关键词 天文学史 夏历 置闰
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Confirmation of 24 h 50 min Lunar Periodicity, Apparently Inexplicable by Classical Factors, in Precession of Allais Pendulum
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作者 Thomas Goodey Dimitrie Olenici +1 位作者 Jean-Bernard Deloly René Verreault 《Journal of Modern Physics》 CAS 2022年第12期1598-1634,共37页
During 36 days the motion of two pendulums, which were restarted every hour, was continuously recorded. 869 “runs” were thus made, providing each time the precession during the run, as well as other parameters of th... During 36 days the motion of two pendulums, which were restarted every hour, was continuously recorded. 869 “runs” were thus made, providing each time the precession during the run, as well as other parameters of the motion. Spectral analysis of precession and ellipticity revealed a lunar component of 24 h 50 min, which can only result from an astral action, through mechanisms yet to be discovered. Indeed, an analysis was carried out of the influence of all classical perturbing factors: direct or indirect action of classical gravity, temperature, Earth’s magnetic field, etc.… None of them can explain this component, given its amplitude and phase. Its amplitude excludes also an explanation by general relativity. This is consistent with a major result that Allais claimed to have obtained during each one of the six continuous one-month-long experiments he carried out from 1954 to 1960. The numerous and very precise data provided by an automatic alidade give additional information to those gathered by Allais. All that confirms all the scientific interest that there would be to resume long-duration pendulum observations on a much more important scale: continuous observations for at least 2 years, and if possible more. 展开更多
关键词 Allais Effect PENDULUM 24 h 50 min Period lunisolar Influence
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增强型轨道列表星历及其在北斗混合星座中的应用 被引量:3
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作者 路余 杜兰 +1 位作者 张中凯 周佩元 《宇航学报》 EI CAS CSCD 北大核心 2015年第7期804-810,共7页
为了改进北斗卫星数小时内的力模型精度,分析日月引力摄动和光压摄动的短期变化特性,提出基于二次多项式逼近日月引力摄动的15参数增强型轨道列表星历模型。利用该星历模型对北斗的5 GEO+5 IGSO+4 MEO混合星座进行了为期11天的星历拟合... 为了改进北斗卫星数小时内的力模型精度,分析日月引力摄动和光压摄动的短期变化特性,提出基于二次多项式逼近日月引力摄动的15参数增强型轨道列表星历模型。利用该星历模型对北斗的5 GEO+5 IGSO+4 MEO混合星座进行了为期11天的星历拟合实验。结果表明,三类卫星在非地影期的2小时星历拟合精度优于1 cm。增强型轨道列表星历模型没有轨道根数的潜在奇点问题,能够为我国北斗星座和星基增强系统提供更多可行的星历模型选择。 展开更多
关键词 增强型轨道列表星历 北斗混合星座 日月引力摄动 参数拟合
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日月潮汐改正对精密水准测量的影响 被引量:3
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作者 张红英 郭佳 +2 位作者 张新兵 张建东 张毓琴 《海洋测绘》 2011年第3期12-15,共4页
研究了日月潮汐改正对精密水准测量的影响,推导出了一种水准测量中可以采用的简单快捷的日月潮汐改正实用模型,并与其他相应模型进行了比较和分析,表明了该模型的实用性和可行性,可应用于海洋测绘中海面地形的确定。
关键词 水准测量 海面地形 日月潮汐改正 测段 黄经 赤经
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立春之“霞”与和歌季节咏 被引量:1
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作者 隋源远 《华东师范大学学报(哲学社会科学版)》 CSSCI 北大核心 2018年第5期113-119,175,176,共9页
立春之"霞(kasumi)"这一和歌意象的成立,包含着中日两国文化的冲突与融合。从文字表记上看,日本歌人以"霞"表意"kasumi"的做法受到了中国诗歌中"烟霞"一词流行的影响。从季节认识上来看,"... 立春之"霞(kasumi)"这一和歌意象的成立,包含着中日两国文化的冲突与融合。从文字表记上看,日本歌人以"霞"表意"kasumi"的做法受到了中国诗歌中"烟霞"一词流行的影响。从季节认识上来看,"kasumi"直接来源于日本本土自然历中"haru"的季节感,带有鲜明的地域性色彩。立春与"kasumi"的组合,则是在持统朝颁历的大背景下,为缓和本土季节感与历法四季观之间的紧张关系,由宫廷歌人柿本人麻吕创造而出的。这一意象的诞生标志着和歌季节咏的成立,同时将立春的和训导入和歌的做法也对古代和歌泾渭分明的四季观的形成产生了重要的影响。 展开更多
关键词 和歌 季节咏 自然历 中国历法 文化接受
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关于阴阳历及春节日期界定的研究
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作者 应振华 《陕西师范大学学报(自然科学版)》 CAS CSCD 1995年第S1期68-70,共3页
认为阴阳历称为“农历”是违背科学的,简称华历,较为妥当.春节与旧年相连,对社会诸多部门造成了不利影响,以定在立春日为宜.
关键词 阴阳历 华历 春节 立春日
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中国及邻区地震的天文潮汐触发特征研究——附加潮汐应力对发震断层的作用模式及其应用
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作者 吴小平 《云南天文台台刊》 CSCD 北大核心 2002年第1期63-64,共2页
本文在潮汐应力、构造应力、地震断层和岩石破裂滑动理论的基础上 ,建立了潮汐应力对地震断层作用的力学模式 ,该模式将潮汐应力与地震应力作用相结合 ,描述了沿地震主压应力和地震主张应力方向的附加潮汐应力对发震断层的力学作用方式 ... 本文在潮汐应力、构造应力、地震断层和岩石破裂滑动理论的基础上 ,建立了潮汐应力对地震断层作用的力学模式 ,该模式将潮汐应力与地震应力作用相结合 ,描述了沿地震主压应力和地震主张应力方向的附加潮汐应力对发震断层的力学作用方式 ,从而切入潮汐应力触发地震的物理机制 ,认为潮汐对地震的触发作用在实质上归结为潮汐应力对地震断层的促滑作用 ,这种促滑作用分增压型和减压型。在此模式基础上 ,对中国大陆及邻区的不同类型地震的潮汐触发性进行了研究 ,内容包括 :计算了中国及邻区一千多个地震震源处沿主压应力P轴和主张应力T轴方向的附加潮汐应力分量 ,分析了这些量对发震断层的作用方式 ,按纬度区域统计了受到潮汐应力促滑作用的发震断层类型以及它们与潮汐应力作用方式的关系 ,得到了如下结论 :受到潮汐应力促滑作用的发震断层的比例随区域纬度增加有减小趋势 ,其中 ,走滑型断层的比例在低纬区较大 ,而倾滑斜型断层的比例在中高纬度区较大 ;对整个统计区域而言 ,受增压型潮汐应力促滑作用的发震断层数比例大于受减压型潮汐应力促滑作用的发震断层 ;对不同的纬度区域 ,不同的潮汐应力作用方式与之促滑的发震断层类型也有不同的分布特征。最后 ,本文将中国及邻区受到潮汐触发作用的地震按构造应力? 展开更多
关键词 地震 天文潮汐 附加潮汐应力 发震断层 促滑作用 日月位置 中国 触发特征
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Relationship between M_S≥7.0 Earthquakes in the Chinese Mainland and Tidal Coulomb Failure Stress
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作者 Zhang Hui Zhang Langping +1 位作者 Xu Hui Wang Yixi 《Earthquake Research in China》 2013年第4期447-457,共11页
In this paper,we focused on earthquakes with M S≥7.0 in the Chinese mainland from1900 to 2012,calculated the lunisolar tidal Coulomb failure stress on the seismic fault plane and got the tidal phase through Schuster&... In this paper,we focused on earthquakes with M S≥7.0 in the Chinese mainland from1900 to 2012,calculated the lunisolar tidal Coulomb failure stress on the seismic fault plane and got the tidal phase through Schuster's test,then quantitatively analyzed the correlation between strong earthquakes in the Chinese mainland and tidal Coulomb failure stress.Research shows that among 57 strong earthquakes with focal mechanism solutions,over 71.9%took place within the tidal loading phase,with the p-value of 3.83%,indicating that strong earthquakes with M S≥7.0 in Chinese mainland have a certain correlation with lunisolar tidal Coulomb failure stress.In the active period,the p-value is4.56%,75.5%of earthquakes occurred in the tidal loading phase zone,and 50%of earthquakes occurred in the quiescence period,indicating that strong earthquakes in the active period were obviously triggered with the tidal Coulomb failure stress loading. 展开更多
关键词 库仑破裂应力 潮汐相位 地震带 中国内地 中国大陆地区 MS 强烈地震 震源机制解
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Astral Actions on Allais’ Pendulum Apparently Inexplicable by Classical Factors: A Point of the Situation
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作者 Jean-Bernard Deloly 《Journal of Modern Physics》 2024年第9期1375-1408,共34页
1) The observation by Allais of the precession of pendulums from 1954 to 1960 highlighted regularities of astral origin an in-depth analysis of which showed that, apparently, no classical phenomenon can explain them. ... 1) The observation by Allais of the precession of pendulums from 1954 to 1960 highlighted regularities of astral origin an in-depth analysis of which showed that, apparently, no classical phenomenon can explain them. These regularities were diurnal waves whose periods are characteristic of astral influence (the main ones being 24 h and 24 h 50 min), annual and semi-annual components, and a multi-annual component of approximately 6 years, an influence of Jupiter being a very good candidate to explain it. 2) Allais had experimentally established that all these astral influences were expressed globally on the pendulum by an action tending to call back its plane of oscillation towards a direction variable in time, and which ovalized its trajectory. In 2019 the observation of 2 pendulums in Horodnic (Romania), thanks to the use of an automatic alidade, made it possible to identify the main mechanism that, very probably, acted on the pendulum to achieve this result. This perturbation model, called “linear anisotropy”, is characterized by its “coefficient of anisotropy” η, and by the azimuth of its “direction of anisotropy”. The composition of 2 linear anisotropies is always a linear anisotropy. 3) In the search for the phenomena which could be at the origin of all what precedes, the fact that they must create an ovalization immediately eliminates some of them. 4) We have calculated the values of η corresponding to the 24 h and 24 h 50 min waves both for the observations in Horodnic and the Allais observations. The order of magnitude (some 10−7) is effectively the same in both cases. 5) Mathematically, the regularities discovered may result of a new force field but also, as Allais proposes, from the creation, under the astral influences, of a local anisotropy of the medium in which the pendulum oscillates. In the first case the length of the pendulum is involved, in the second one not. The data available do not make it possible to decide. 6) The joint exploitation, in mechanics and optics, of Allais observations and of observations by other experimenters provides additional information: a) Allais, and after him several other scientists, discovered also marked anomalies in the precession of pendulums during certain eclipses, and maybe certain other syzygies. For the few eclipses for which both something was observed and sufficient data were available (one of them being a lunar eclipse for which nothing had been published until now), it was always the above perturbation model which acted on the pendulum, but sometimes with quite exceptional magnitude. b) There are quite possible links with optics. During the observation campaign of August 1958, which had implemented both two pendulums and an optical device, all the 24 h 50 min waves were almost in phase. In the precession of the Allais pendulum, in Miller’s interferometric observations in Mont Wilson, and in Esclangon’s observations in Strasbourg, a same peculiarity is found: the extrema of the annual influence are at the equinoxes, not at the solstices. 展开更多
关键词 Allais Effect Pendulum lunisolar Influence Jupiter Influence Lunar and Solar Eclipses Syzygies Sunspots Solar Cycles
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